Tim Harvey [Mon, 4 Feb 2019 21:10:58 +0000 (13:10 -0800)]
imx: ventana: add support for GW5901/GW5902
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Tim Harvey [Mon, 4 Feb 2019 21:10:57 +0000 (13:10 -0800)]
imx: ventana: add support for GW5909
The GW5909 is a small single board computer based on the i.MX6DL SoC
with the same peripheral set as the GW5904 but with half the DRAM loaded
and an additional RS232 transceiver off UART2.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Tim Harvey [Mon, 4 Feb 2019 21:10:56 +0000 (13:10 -0800)]
imx: ventana: add support for GW5908
The GW5908 is a small single board computer based on the i.MX6DL SoC
with the same peripheral set as the GW530x but with 1GiB density DRAM
(64bit 512MiB).
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Tim Harvey [Mon, 4 Feb 2019 21:10:55 +0000 (13:10 -0800)]
imx: ventana: add support for GW5907
The GW5907 is a small single board computer based on the i.MX6DL SoC
with the following peripheral set:
- DDR3 memory (512MB default)
- 1x GigE (i.MX6 FEC)
- Gateworks System Controller
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Tim Harvey [Mon, 4 Feb 2019 21:10:54 +0000 (13:10 -0800)]
imx: ventana: add support for GW5906
The GW5906 is a GW552x with mechanical and power supply connector
differences.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Tim Harvey [Mon, 4 Feb 2019 21:10:53 +0000 (13:10 -0800)]
imx: ventana: add i2c detect for all LVDS displays
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Tim Harvey [Mon, 4 Feb 2019 21:10:52 +0000 (13:10 -0800)]
imx: ventana: skip nand init for nandless boards
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Tim Harvey [Mon, 4 Feb 2019 21:10:51 +0000 (13:10 -0800)]
imx: ventana: add support for Z101WX01 LVDS display
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Tim Harvey [Mon, 4 Feb 2019 21:10:50 +0000 (13:10 -0800)]
imx: ventana: add support for GW5905
The GW5905 is single-board tablet computer based on the i.MX6 SoC with the
following peripheral set:
- eMMC flash (boot device)
- microSD expansion
- LVDS display connector for off-board 3D+1C with PWM backlight
and I2C based touch controller
- MIPI camera connector supporting the TRULY CM8487-B500SA-E (OV5640)
- ublox EMMY-W1 WiFi/Bluetooth/NFC module (SDIO/UART)
- ublox ZOE-M8Q GPS
- LSM9DS1 9-DOF IMU
- 1x 1-lane miniPCIe socket with USB 2.0
- Gateworks System Controller
- Audio jack with TLV320AIC Audio Codec, Speaker AMP
and TSA227E Headphone detect
- MAX8607 3-mode LED camera flash
- DECT ULE module
- FUSB302 USB-C PD and ISL9238 Battery charger
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Tim Harvey [Mon, 4 Feb 2019 21:10:49 +0000 (13:10 -0800)]
imx: ventana: remove setup of I2C3 from SPL
Do not setup I2C3 in the SPL for Ventana as some devices on that bus
(aic3x codecs) can hang the bus causing i2c_setup to spin endlessly until
they are put into reset. Removing the setup of I2C3 from the SPL allows
the board-specific GPIO to be configured to take care of putting codecs
in reset prior to U-Boot setting up I2C3.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Tim Harvey [Mon, 4 Feb 2019 21:10:48 +0000 (13:10 -0800)]
imx: ventana: do not iomux UART1
The only UART that is garunteed on Ventana boards is UART2 (serial-console).
Remove UART1 pinmux as that it is not consistent across all Ventana boards
and U-Boot doesn't need it.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Tim Harvey [Mon, 4 Feb 2019 21:10:47 +0000 (13:10 -0800)]
imx: ventana: mv88e61xx change LED configuration
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Abel Vesa [Fri, 1 Feb 2019 16:40:25 +0000 (16:40 +0000)]
configs: mx6sabresd: Reduce SPL size by disabling DOS, EXT and EFI support
With DM and FIT enabled in SPL, there is an sram overflow. By disabling
CONFIG_SPL_DOS_PARTITION, CONFIG_SPL_EXT_SUPPORT and
CONFIG_SPL_EFI_PARTITION, we get to keep the 'one binary to fit all'
for imx6[q|qp|dl] on sabresd since the final SPL image is now under 64KB.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Abel Vesa [Fri, 1 Feb 2019 16:40:24 +0000 (16:40 +0000)]
board: mx6sabresd: Remove the enet reset gpio handling
Rely on the phy-reset-gpios which is set in imx6qdl-sabresd dtsi
and get rid of the enet reset gpio handling from the board file.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Abel Vesa [Fri, 1 Feb 2019 16:40:23 +0000 (16:40 +0000)]
board: mx6sabresd: Remove non-DM code
Since the mx6sabreauto has DM support, remove the unused non-DM code
from mx6sabresd board file.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Abel Vesa [Fri, 1 Feb 2019 16:40:22 +0000 (16:40 +0000)]
configs: mx6sabresd: Add DM_SPI_FLASH necessary configs
Enable all neceassary configs to support DM_SPI_FLASH on mx6sabresd.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Abel Vesa [Fri, 1 Feb 2019 16:40:22 +0000 (16:40 +0000)]
board: mx6sabreauto: Remove the non-DM code
Since the mx6sabreauto has DM support, remove the unused non-DM code
from mx6sabreauto board file.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Abel Vesa [Fri, 1 Feb 2019 16:40:20 +0000 (16:40 +0000)]
configs: mx6sabreauto: Add DM_SPI_FLASH necessary configs
Enable all neceassary configs to support DM_SPI_FLASH on mx6sabreauto.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Abel Vesa [Fri, 1 Feb 2019 16:40:19 +0000 (16:40 +0000)]
mx6sabreauto: Add DM_GPIO support
Add the DM_GPIO related config for mx6sabreauto.
Also add the gpio request calls.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Abel Vesa [Fri, 1 Feb 2019 16:40:19 +0000 (16:40 +0000)]
mx6sabresd: Add DM_GPIO support
Add the DM_GPIO related config for mx6sabresd.
Also add the gpio request calls.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Abel Vesa [Fri, 1 Feb 2019 16:40:18 +0000 (16:40 +0000)]
configs: mx6sabresd: Add SPL FIT and DM support
Enable all the necessary configs for SPL DM and FIT support for
mx6sabresd.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Abel Vesa [Fri, 1 Feb 2019 16:40:17 +0000 (16:40 +0000)]
configs: mx6sabreauto: Add SPL FIT and DM support
Enable all the necessary configs for SPL DM and FIT support for
mx6sabreauto.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Abel Vesa [Fri, 1 Feb 2019 16:40:16 +0000 (16:40 +0000)]
arm: dts: Update all the dts[i] files for imx6[q|qp|dl] sabre[auto|sd]
Update all the dts[i] files for imx6[q|qp|dl] sabre[auto|sd] to the ones
from kernel v4.20 (commit
8fe28cb58bcb2).
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Acked-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Abel Vesa [Fri, 1 Feb 2019 16:40:14 +0000 (16:40 +0000)]
arm: dts: Add all the imx6[q|qp|dl] sabre[auto|sd] u-boot dts[i] files
This allows us to keep the basic dts[i] files up-to-date with
the ones in kernel, but at the same time allowing the u-boot
to add its own properties to the existing nodes.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Abel Vesa [Fri, 1 Feb 2019 16:40:13 +0000 (16:40 +0000)]
board: mx6sabreauto: Add board_fit_config_name_match to support FIT in SPL
This matches one of the following three boards (or fails):
- imx6q-sabreauto
- imx6qp-sabreauto
- imx6dl-sabreauto
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Abel Vesa [Fri, 1 Feb 2019 16:40:12 +0000 (16:40 +0000)]
board: mx6sabresd: Add board_fit_config_name_match to support FIT in SPL
This matches one of the following three boards (or fails):
- imx6q-sabresd
- imx6qp-sabresd
- imx6dl-sabresd
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Abel Vesa [Fri, 1 Feb 2019 16:40:11 +0000 (16:40 +0000)]
mmc: fsl_esdhc: Fix DM_REGULATOR ifdefs for SPL builds
Since the fsl_esdhc will also be used by SPL, make the
preprocessor switches more generic to allow any kind of build.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Abel Vesa [Fri, 1 Feb 2019 16:40:10 +0000 (16:40 +0000)]
configs: imx6sabreauto: Add DM_USB support
Add the DM support for USB. For that, DM_REGULATOR is needed.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Abel Vesa [Fri, 1 Feb 2019 16:40:09 +0000 (16:40 +0000)]
configs: imx6sabreauto: Add DM_MMC support
Add DM_MMC config to imx6sabreauto defconfig.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Abel Vesa [Fri, 1 Feb 2019 16:40:08 +0000 (16:40 +0000)]
usb: ehci-mx6: Make regulator DM_REGULATOR dependent
Do the regulator related work only if the build has the DM_REGULATOR.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Abel Vesa [Fri, 1 Feb 2019 16:40:07 +0000 (16:40 +0000)]
usb: Rename SPL_USB_SUPPORT to SPL_USB_STORAGE
Since there is the SPL_USB_HOST_SUPPORT for enabling USB support in SPL,
makes more sense to rename the SPL_USB_SUPPORT as SPL_USB_STORAGE.
Everything that is not part of the usb storage support in SPL is now
build under SPL_USB_HOST_SUPPORT.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Tim Harvey [Mon, 4 Feb 2019 20:56:52 +0000 (12:56 -0800)]
net: mv88e61xx: fix autonegotiation on ports
phy_reset should be called before autoneg is setup
The only boards using MV88E61XX_SWITCH are:
- alliedtelesis/SBx81LIFKW
- alliedtelesis/SBx81LIFXCAT
- gateworks/gw_ventana
Cc: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Breno Matheus Lima [Wed, 23 Jan 2019 19:30:16 +0000 (19:30 +0000)]
doc: imx: habv4: Remove secure_boot.txt guide
The secure_boot.txt guide was replaced by mx6_mx7_secure_boot.txt and
mx6_mx7_spl_secure_boot.txt documents.
Both documents covers all steps needed for SPL and non-SPL tagets,
so remove secure_boot.txt file to avoid duplicated content.
Signed-off-by: Breno Lima <breno.lima@nxp.com>
Breno Matheus Lima [Wed, 23 Jan 2019 19:30:11 +0000 (19:30 +0000)]
doc: imx: habv4: Move encrypted boot guide
All guides are currently located at doc/imx/habv4/guides/ directory.
Move encrypted_boot.txt document to guides directory.
Signed-off-by: Breno Lima <breno.lima@nxp.com>
Breno Matheus Lima [Wed, 23 Jan 2019 19:30:06 +0000 (19:30 +0000)]
doc: imx: habv4: Add Secure Boot guide for i.MX6 and i.MX7 SPL targets
The current U-Boot implementation includes SPL targets for
some NXP development boards:
- mx6sabreauto_defconfig
- mx6sabresd_defconfig
- mx6ul_14x14_evk_defconfig
- mx6ul_9x9_evk_defconfig
Add additional steps needed to completly secure the
bootloader image.
Signed-off-by: Breno Lima <breno.lima@nxp.com>
Breno Matheus Lima [Wed, 23 Jan 2019 19:29:59 +0000 (19:29 +0000)]
doc: imx: habv4: Add Secure Boot guide for i.MX6 and i.MX7 non-SPL targets
Add HABv4 documentation for non-SPL targets covering the
following topics:
- How to sign an securely boot an u-boot-dtb.imx image.
- How to extend the root of trust for additional boot images.
- Add 3 CSF examples.
- Add IVT generation script example.
Reviewed-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Utkarsh Gupta <utkarsh.gupta@nxp.com>
Signed-off-by: Breno Lima <breno.lima@nxp.com>
Breno Matheus Lima [Wed, 23 Jan 2019 19:29:53 +0000 (19:29 +0000)]
doc: imx: habv4: Add HABv4 introduction
The HABv4 is supported in i.MX50, i.MX53, i.MX6, i.MX7,
series and i.MX 8M, i.MX8MM devices.
Add an introductory document containing the following topics:
- HABv4 Introduction
- HABv4 Secure Boot
- HABv4 Encrypted Boot
- HAB PKI tree generation
- HAB Fast Authentication PKI tree generation
- SRK Table and SRK Hash generation
Reviewed-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Utkarsh Gupta <utkarsh.gupta@nxp.com>
Signed-off-by: Breno Lima <breno.lima@nxp.com>
Breno Matheus Lima [Wed, 23 Jan 2019 19:29:46 +0000 (19:29 +0000)]
doc: imx: habv4: Remove extra hab directory for a cleaner documentation structure
There is no need to have an extra hab directory under doc/imx/.
Habv4 and AHAB documentation can be added directly in doc/imx/ for a
cleaner documentation structure.
Signed-off-by: Breno Lima <breno.lima@nxp.com>
Marcin Niestroj [Sat, 19 Jan 2019 16:06:45 +0000 (17:06 +0100)]
ARM: dts: imx6ul-lite*: add DTS files for liteSOM and liteboard
Import liteSOM and liteboard dts files from Linux v4.20. They will
be used after transition to driver model and device-tree based boot.
Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
Adam Ford [Thu, 17 Jan 2019 13:16:39 +0000 (07:16 -0600)]
MTD: nand: mxs_nand: Allow driver to auto setup ECC in SPL
The initialization of the NAND in SPL hard-coded ecc.bytes,
ecc.size, and ecc.strength which may work for some NAND parts,
but it not appropriate for others. With the pending patch
"mxs_nand: Fix BCH read timeout error on boards requiring ECC"
the driver can auto configure the ECC when these entries are
blank. This patch has been tested in NAND flash with oob 64
and oob 128.
Signed-off-by: Adam Ford <aford173@gmail.com>
Tested-by: Jörg Krause <joerg.krause@embedded.rocks>
Acked-by: Tim Harvey <tharvey@gateworks.com>
Tested-by: Tim Harvey <tharvey@gateworks.com>
Adam Ford [Tue, 15 Jan 2019 17:26:48 +0000 (11:26 -0600)]
net: dm: fec: Fix regulator enable when using DM_REGULATOR
When DM_REGULATOR is enabled, the driver attempts to call
regulator_autoset() which expects the regulators to be on at boot
and/or always on and fails if they are not true.
For a more generic approach, this patch just calls
regulator_set_enable() which shouldn't have such restrictions.
Fixes:
ad8c43cbcafb ("net: dm: fec: Support the phy-supply
binding")
Signed-off-by: Adam Ford <aford173@gmail.com>
Tested-by: Martin Fuzzey <martin.fuzzey@flowbird.group>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Adam Ford [Sat, 12 Jan 2019 23:32:00 +0000 (17:32 -0600)]
ARM: imx6q_logic: Correct phy fixup for broken ethernet
The Ethernet has been broken for some time. This patch unifies
this board with a few others that use a similar approach to
enabling phy. This fixes ar8031 Ethernet controller so it works.
Signed-off-by: Adam Ford <aford173@gmail.com>
Adam Ford [Sat, 12 Jan 2019 23:24:52 +0000 (17:24 -0600)]
ARM: imx6q_logic: Enable SPL Booting from NAND
This patch fixes a few values that were incorrect, and this
now lets SPL boot from NAND.
Signed-off-by: Adam Ford <aford173@gmail.com>
Adam Ford [Sat, 12 Jan 2019 12:25:48 +0000 (06:25 -0600)]
MTD: NAND: mxs_nand_init_dma: Make mxs_nand_init_dma static
mxs_nand_init_dma is only referenced from mxs_nand.c. It's not
referenced in any headers or outside code, so this patch
defines it as static.
Signed-off-by: Adam Ford <aford173@gmail.com>
Adam Ford [Thu, 3 Jan 2019 02:36:52 +0000 (20:36 -0600)]
MTD: mxs_nand: Fix BCH read timeout error on boards requiring ECC
The LogicPD board uses a Micron Flash with ECC. To boot this from
SPL, the ECC needs to be correctly configured or the BCH engine
times out.
Signed-off-by: Adam Ford <aford173@gmail.com>
Acked-by: Stefan Agner <stefan.agner@toradex.com>
Tested-by: Jörg Krause <joerg.krause@embedded.rocks>
Acked-by: Tim Harvey <tharvey@gateworks.com>
Tested-by: Tim Harvey <tharvey@gateworks.com>
Lukasz Majewski [Wed, 5 Dec 2018 16:04:03 +0000 (17:04 +0100)]
ddr: vybrid: Add calibration code to memory controler's (DDRMC) setup code
This patch extends the vf610 DDR memory controller code to support SW
leveling.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Stefan Agner <stefan.agner@toradex.com>
Lukasz Majewski [Wed, 5 Dec 2018 16:04:02 +0000 (17:04 +0100)]
ddr: vybrid: Provide code to perform on-boot calibration
This patch provides the code to calibrate the DDR's
DQS to DQ signals (RDLVL).
It is based on:
VFxxx Controller Reference Manual, Rev. 0, 10/2016, page 1600
10.1.6.16.4.1 "Software Read Leveling in MC Evaluation Mode"
and NXP's community thread:
"Vybrid: About DDR leveling feature on DDRMC."
https://community.nxp.com/thread/395323
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Lukasz Majewski [Wed, 5 Dec 2018 16:04:01 +0000 (17:04 +0100)]
ddr: vybrid: Add DDRMC calibration related registers (DQS to DQ)
This commit provides extra defines needed for DDR memory controller
calibration (read leveling performing).
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Stefan Agner <stefan.agner@toradex.com>
Tom Rini [Wed, 13 Feb 2019 12:12:29 +0000 (07:12 -0500)]
Merge tag 'signed-efi-next' of git://github.com/agraf/u-boot
Patch queue for efi - 2019-02-13
Goodness this time around:
- HII protocol, finally allows us to run the UEFI Shell!
(experimantal, disabled by default)
- efi selftest now available on Cortex-M
- NVMe support for distro boot
- Lots of code cleanup
Heinrich Schuchardt [Sat, 9 Feb 2019 21:23:48 +0000 (22:23 +0100)]
efi_loader: fix EFI_FILE_PROTOCOL.GetInfo()
We check the existence of files with fs_exist(). This function calls
fs_close(). If we do not set the active block device again fs_opendir()
fails and we do not set the flag EFI_FILE_DIRECTORY. Due to this error the
`cd` command in the EFI shell fails.
So let's add the missing set_blk_dev(fh) call.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sun, 10 Feb 2019 10:11:26 +0000 (11:11 +0100)]
lib: vsprintf: avoid overflow printing UTF16 strings
We have to ensure while printing UTF16 strings that we do not exceed the
end of the print buffer.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Alexander Graf [Mon, 11 Feb 2019 14:24:00 +0000 (15:24 +0100)]
efi_loader: Make HII a config option
Heinrich ran into issues with HII and iPXE which lead to #SErrors on
his Odroid-C2 system. We definitely do not want to regress just yet,
so let's not expose the HII protocols by default.
Instead, let's make it a config option that people can play with
This way, we can stabilize the code in tree without breaking any
users.
Once someone figures out, why this breaks iPXE (probably a NULL
dereference), we can enable it by default.
Reported-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
---
v1 -> v2:
- Remove HII selftest as well
v2 -> v3:
- Make config option
Alexander Graf [Mon, 11 Feb 2019 14:07:17 +0000 (15:07 +0100)]
arm: Leave smccc calls in .text when efi_loader=n
Commit
81ea00838c6 ("efi_loader: PSCI reset and shutdown") put the SMCCC
assembly code into the efi specific code section. This is wrong when we
do not have EFI_LOADER enabled, as that strips efi runtime sections from
the output binary
Reported-by: Michal Simek <monstr@monstr.eu>
Reported-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Tested-by: Michal Simek <monstr@monstr.eu>
Fixes:
81ea00838c6 ("efi_loader: PSCI reset and shutdown")
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Wed, 23 Jan 2019 21:55:36 +0000 (22:55 +0100)]
efi_loader: debug output for HII protocols
For correct indention use EFI_PRINT() instead of debug().
For printing efi_uintn_t or size_t use the %zu or %zx format code.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Wed, 23 Jan 2019 19:36:27 +0000 (20:36 +0100)]
efi_selftest: fix HII tests
efi_st_printf() does not support format code %ld. Anyway the format code
for size_t would be %zu which isn't supported either.
We do not want any divisions to avoid invalid references to integer
arithmetic routines, cf.
https://gcc.gnu.org/onlinedocs/gccint/Integer-library-routines.html.
As a simple remedy remove the noisy messages from the output.
They are not relevant for automated testing.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
AKASHI Takahiro [Mon, 21 Jan 2019 03:13:01 +0000 (12:13 +0900)]
efi_selftest: add HII database protocols test
This efi_selftest tests HII database protocol and HII string protocol.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
AKASHI Takahiro [Mon, 21 Jan 2019 03:13:00 +0000 (12:13 +0900)]
efi: hii: add HII config routing/access protocols
This patch is a place holder for HII configuration routing protocol and
HII configuration access protocol.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
AKASHI Takahiro [Mon, 21 Jan 2019 03:12:59 +0000 (12:12 +0900)]
efi: hii: add keyboard layout package support
Allow for handling keyboard layout package in HII database protocol.
A package can be added or deleted in HII database protocol, but
we don't set 'current' keyboard layout as there is no driver that
requests a keyboard layout.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
AKASHI Takahiro [Mon, 21 Jan 2019 03:12:58 +0000 (12:12 +0900)]
efi: hii: add guid package support
Allow for handling GUID package in HII database protocol.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Leif Lindholm [Mon, 21 Jan 2019 03:12:57 +0000 (12:12 +0900)]
efi_loader: Initial HII database protocols
This patch provides enough implementation of the following protocols to
run EDKII's Shell.efi and UEFI SCT:
* EfiHiiDatabaseProtocol
* EfiHiiStringProtocol
Not implemented are:
* ExportPackageLists()
* RegisterPackageNotify()/UnregisterPackageNotify()
* SetKeyboardLayout() (i.e. *current* keyboard layout)
HII database protocol in this patch series can handle only:
* GUID package
* string package
* keyboard layout package
(The other packages, except Device path package, will be necessary
for interactive and graphical UI.)
Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Wed, 23 Jan 2019 01:42:39 +0000 (02:42 +0100)]
x86: do not use i386 code for x86_64 memory functions
arch/x86/lib/string.c contains assembler implementations of memcpy(),
memmove(), and memset() written for i386. Don't use it on x86_64.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Tue, 22 Jan 2019 20:35:23 +0000 (21:35 +0100)]
efi_loader: GetNextVariableName() relies on REGEX
Our implementation of GetNextVariableName() relies on
CONFIG_REGEX=y. So EFI_LOADER has to select it.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Tue, 22 Jan 2019 19:10:46 +0000 (20:10 +0100)]
efi_loader: fix GetNextVariableName
Our current implementation of GetNextVariableName() first collects all EFI
variables. If none is found at all hexport_r() returns a zero length string
terminated by \0 and the value 1 as number of bytes in the returned buffer.
In this case GetNextVariableName() has to return EFI_NOT_FOUND.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Mon, 21 Jan 2019 18:30:42 +0000 (19:30 +0100)]
efi_loader: do not use symbolic links
Symbolic links are not supported on all file systems, e.g. not on FAT. So
it is not wise to use them in our source tree.
Use a qualified path to refer to lib/efi_loader/efi_freestanding.c in
scripts/Makefile.lib instead.
Reported-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
[agraf: Fix build with O=]
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sun, 20 Jan 2019 07:20:32 +0000 (08:20 +0100)]
efi_loader: use library memcpy() in helloworld.efi
Helloworld does not need its own memcpy() implementation anymore. Use the
one provided in efi_freestanding.c.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sun, 20 Jan 2019 07:20:31 +0000 (08:20 +0100)]
efi_loader: use freestanding library for efi apps
GCC requires that freestanding programs provide memcpy(), memmove(),
memset(), and memcmp().
Add the library functions when building a *.efi files.
The EFI selftests might use other compilation flags. So use a symbolic
link to provide lib/efi_selftest/efi_freestanding.c and compile it
separately.
Reported-by: Alexander Graf <agraf@suse.de>
Fixes:
5be444d14b38 ("efi_loader: consistent build flags for EFI applications")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sun, 20 Jan 2019 07:20:30 +0000 (08:20 +0100)]
efi_loader: provide freestanding library
GCC requires that freestanding programs provide memcpy(), memmove(),
memset(), and memcmp().
Provide the required library functions.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
AKASHI Takahiro [Mon, 21 Jan 2019 11:43:14 +0000 (12:43 +0100)]
efi_selftest: fix variables test for GetNextVariableName()
There is a bug in efi variables test.
Fix it with some cosmetic improvements.
Please note that efi variables test still fails at QueryVariableInfo()
and GetVariable(), but this is not due to a change in this patch.
==8<==
Testing EFI API implementation
Selected test: 'variables'
Setting up 'variables'
Setting up 'variables' succeeded
Executing 'variables'
.../u-boot/lib/efi_selftest/efi_selftest_variables.c(60):
TODO: QueryVariableInfo failed
.../u-boot/lib/efi_selftest/efi_selftest_variables.c(131):
TODO: GetVariable returned wrong length 7
.../u-boot/lib/efi_selftest/efi_selftest_variables.c(133):
TODO: GetVariable returned wrong value
Executing 'variables' succeeded
Boot services terminated
Summary: 0 failures
==>8==
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
AKASHI Takahiro [Mon, 21 Jan 2019 11:43:13 +0000 (12:43 +0100)]
efi_loader: implement GetNextVariableName()
The current GetNextVariableName() is a placeholder.
With this patch, it works well as expected.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
rebased on efi-next
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Fri, 18 Jan 2019 18:52:05 +0000 (19:52 +0100)]
efi_loader: comments for variable services
Comment the functions implementing the runtime variable services.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Fri, 18 Jan 2019 17:54:26 +0000 (18:54 +0100)]
efi_loader: remove duplicate function mem2hex()
Replace duplicate function mem2hex() by inline function bin2hex().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Fri, 18 Jan 2019 11:31:54 +0000 (12:31 +0100)]
efi_loader: eliminate duplicate function hex2mem()
Use existing inline function hex2bin() instead of defining a new one.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Tue, 15 Jan 2019 04:44:56 +0000 (05:44 +0100)]
efi_loader: remove duplicate GUID definition
Remove duplicate definition o EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sat, 12 Jan 2019 14:32:06 +0000 (15:32 +0100)]
efi_loader: consistent build flags for EFI applications
At the same time adding and removing the -Os flag does not make any sense.
Actually it leads to -Os not being used.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sat, 12 Jan 2019 11:02:33 +0000 (12:02 +0100)]
efi_loader: use u16* for file name
UTF-16 strings in our code should all be u16 *. Fix an inconsistency for
file names which may lead to a warning for printf("%ls", ).
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Wed, 9 Jan 2019 20:41:13 +0000 (21:41 +0100)]
efi_loader: fix CopyMem()
CopyMem() must support overlapping buffers. So replace memcpy() by
memmove().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Tue, 8 Jan 2019 17:13:06 +0000 (18:13 +0100)]
efi_loader: refactor switch to non-secure mode
Refactor the switch from supervisor to hypervisor to a new function called
at the beginning of do_bootefi().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sun, 6 Jan 2019 16:12:43 +0000 (17:12 +0100)]
efi_driver: simplify error message
Stating the function module is sufficient. We don't need file and line
number. Anyway the format code for the line number was incorrect (should
be %d).
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sun, 6 Jan 2019 15:44:16 +0000 (16:44 +0100)]
efi_selftest: tpl unit test, check return values
For some API calls checks for the return values are missing.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sun, 6 Jan 2019 15:38:57 +0000 (16:38 +0100)]
efi_selftest: events unit test, check return values
For some API calls checks for the return values are missing.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sat, 5 Jan 2019 22:50:41 +0000 (23:50 +0100)]
efi_selftest: SNP unit test on sandbox
Running the simple network protocol test on the sandbox requires setting
the environment variable ethact to a network interface connected to a DHCP
server and ethrotate to 'no'. So let's make it an on-request test on the
sandbox (selectable by setting environment variable efi_selftest).
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sun, 30 Dec 2018 20:03:15 +0000 (21:03 +0100)]
efi_loader: efi_set_variable use const void *
The SetVariable() runtime service does not change the data passed to it.
So mark the parameter as constant.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sun, 30 Dec 2018 19:53:51 +0000 (20:53 +0100)]
efi_loader: use const efi_guid_t * for variable services
The runtime variable services never change GUIDs. So we should declare
the GUID parameters as constant.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
AKASHI Takahiro [Sun, 30 Dec 2018 14:16:55 +0000 (15:16 +0100)]
efi_loader: move efi_init_obj_list() to a new efi_setup.c
The function, efi_init_obj_list(), can be shared in different pseudo efi
applications, like bootefi/bootmgr as well as my efishell. Moreover, it
will be utilized to extend efi initialization, for example, my "removable
disk support" patch and "capsule-on-disk support" patch in the future.
So with this patch, it will be moved to a new file, efi_setup.c, under
lib/efi_loader and exported, making no changes in functionality.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Remove lines deactivated by #if 1 #else
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sun, 30 Dec 2018 11:54:36 +0000 (12:54 +0100)]
doc: README.uefi: fix typos
%s/specfication/specification/
%s/selftest/self-test/
%s/little endian/little-endian/
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sun, 30 Dec 2018 09:52:41 +0000 (10:52 +0100)]
efi_selftest: allow building on ARMv7-M
ARMv7-M only supports the Thumb instruction set. Our current crt0 code does
not support it. With the patch we can build all unit tests of the EFI
subsystem that do not require crt0.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Fri, 28 Dec 2018 11:41:15 +0000 (12:41 +0100)]
efi_loader: signature of StartImage and Exit
We use u16* for Unicode strings and efi_uintn_t for UINTN. Correct the
signature of efi_exit() and efi_start_image().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Fri, 28 Dec 2018 11:41:14 +0000 (12:41 +0100)]
efi_loader: avoid unnecessary pointer to long conversion
debug() support supports %p to print pointers.
The debug message is unique. So there is not need to write a possibly
distracting line number.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sat, 5 Jan 2019 22:41:36 +0000 (23:41 +0100)]
efi_loader: fix memory allocation on sandbox
Commit
7b78d6438a2b ("efi_loader: Reserve unaccessible memory") introduced
a comparison between RAM top and RAM start that was not known at the time
when the patch of commit
49759743bf09 ("efi_loader: eliminate sandbox
addresses") was written.
The sandbox uses an address space that is only relevant in the sandbox
context. We have to map ram_top from the sandbox address space to the
physical address space before using it in the EFI subsystem.
Fixes:
49759743bf09 ("efi_loader: eliminate sandbox addresses")
Fixes:
7b78d6438a2b ("efi_loader: Reserve unaccessible memory")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sun, 30 Dec 2018 09:11:14 +0000 (10:11 +0100)]
efi_loader: CMD_BOOTEFI_HELLO_COMPILE in configs
It should not be necessary to adjust CMD_BOOTEFI_HELLO_COMPILE in config
files.
arch/arm/lib/crt0_arm_efi.S cannot be compiled in thumbs mode. We can
disable CMD_BOOTEFI_HELLO_COMPILE for CONFIG_CPU_V7M. So there is no longer
a need to disable it in stm32 configs.
helloworld.efi can be built without problems on x86_64. So there is no need
to disable it in chromebook_link64_defconfig and qemu-x86_64_defconfig.
Same is true for ARM V7A. So do not disable CMD_BOOTEFI_HELLO_COMPILE in
kp_imx6q_tpc_defconfig.
Some architecture checks are already make for EFI_LOADER. There is no need
to repeat them for CMD_BOOTEFI_HELLO_COMPILE
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Patrice.Chotard@st.com
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Wed, 26 Dec 2018 21:23:00 +0000 (22:23 +0100)]
efi_loader: use named constant for efi_dp_from_mem()
When calling efi_dp_from_mem() use a named constant for the memory type.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
AKASHI Takahiro [Tue, 4 Dec 2018 06:46:55 +0000 (15:46 +0900)]
distro: not taint environment variables if possible
The aim of this patch is not to have temporary variables used in
distro_bootcmd left as environment variables after run something.
See the discussion[1].
Without this patch, saveenv command also saves those variables, too.
While they are apparently safe, scsi_need_init can be harmful.
Please note that, in most cases, a variable should be converted to
hush's local variable, while "devplist" cannot because it is created
by "part" command as an environment variable.
[1] https://lists.denx.de/pipermail/u-boot/2018-December/350209.html
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sun, 9 Dec 2018 15:39:20 +0000 (16:39 +0100)]
efi_loader: efi_connect_controller() use %pD
EFI_ENTRY in efi_connect_controller() should use %pD to print the remaining
device path.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sun, 23 Dec 2018 01:35:13 +0000 (02:35 +0100)]
efi_loader: efi_add_runtime_mmio()
The first parameter of efi_add_runtime_mmio() is a pointer to a
pointer. This should be reflected in the documentation.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Fri, 21 Dec 2018 01:18:16 +0000 (02:18 +0100)]
distro_bootcmd: add NVME support
Some boards support NVME drives. We should be able to use them as boot
devices.
NVME access requires running 'nvme scan'.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Fri, 14 Dec 2018 21:00:37 +0000 (22:00 +0100)]
test: tests for u16_strdup() and u16_strcpy()
Provide unit tests for u16_strdup() and u16_strcpy().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Akashi, Takahiro [Fri, 14 Dec 2018 10:10:38 +0000 (19:10 +0900)]
lib: add u16_strcpy/strdup functions
Add u16_strcpy() and u16_strdup(). The latter function will be
used later in implementing efi HII database protocol.
Signed-off-by: Akashi Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Mon, 17 Dec 2018 23:06:05 +0000 (00:06 +0100)]
efi_loader: struct efi_configuration_table
Commit
393fccdf6c73 ("efi_loader: efi_guid_t must be 64-bit aligned")
has changed the alignment of efi_guid_t. This changed the size of
struct efi_configuration_table on 32-bit systems form 20 to 24 bytes. As
an array of this type is pointed to by the system table this breaks
compatibility with existing versions of GRUB and Linux. Let's get back the
original size by using the attribute __packed.
Fixes:
393fccdf6c73 ("efi_loader: efi_guid_t must be 64-bit aligned")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sun, 16 Dec 2018 10:16:03 +0000 (11:16 +0100)]
efi_loader: efi_guid_t must be 64-bit aligned
The UEFI Specification Version 2.7 Errata A defines:
"EFI_GUID
128-bit buffer containing a unique identifier value.
Unless otherwise specified, aligned on a 64-bit boundary."
Before this patch efi_guid_t was 8-bit aligned.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt [Sat, 26 Jan 2019 14:25:12 +0000 (15:25 +0100)]
test/py: use default load address for tftp
On x86_64 the size of the file u-boot loaded by the tftp test has grown in
size such that when loading the file to 0x200000 it overwrites a memory
area reserved for PCI.
If no load address is specified for tftp do not use the ram base address
(or if zero 0x200000) but the default address.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>